There are 132 fire stations in Miwok. There are 742,236 homes in this huge city. If the fire stations are responsible for an equ
2 answers:
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Answer:
The standard deviation of X is 0.7
Step-by-step explanation:
We are given the following distribution:
x: 0 1 2 3
P(x): 0.3 0.5 0.2 0.4
We have to find the standard deviation of X.
Formula:
Thus, the standard deviation of X is 0.7